compare with 'stratum basale of epidermis'. This class is the source for many adult structures - see WP2062. See also: 'enveloping layer of ectoderm'

uberon

outer epithelium of body, basal cell layer of skin

UBERON:0011272

• epithelium of mammary gland
• skin of body
• hair follicle placode
• sebaceous gland placode
• sweat gland placode
• distal limb integumentary appendage
• anal canal